we made all PCs new with Windows XP prof wit hactual MS Patches and only Adobe Acrobat Reader.
Starting Adobe Reader works
double click a pdf works
Opening a pdf in outlook works
ONLY OPENING A PDF IN IE 7 DOESN`T WORK. BLANK SCREEN AND IE: NO RESPONSE
PS. Domain Administrator works, User as local Administrator works not.
Which version of Reader? Is that updated to the latest patch too?
nearly latest Version 9.1 Downloaded and installed 03. May 2009.
Yes, it rules out any version mismatch. Still not sure what might be happening.
You say that it works when logging in as Domain admin works but doesn't for local admin. Who installed Reader - domain admin?
One thing to try would be to Repair using the local admin and see if that fixes the problem.